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MAINTENANCE
NOTE: It is the responsibility of the system installer to review system operation and owner
obligations, and to provide any necessary literature to the owner at the time of system installation.
This chapter contains the inspection and maintenance instructions for the EWC extinguishing system.
These procedures must be performed in accordance with NFPA 17A and the National Fire Code of
Canada as applicable. If problems arise, corrective action must be taken.
Every Month (System Owner)
Refer to the cylinder nameplate for proper inspection and maintenance instructions. Inspections are
required to ascertain that the system is operable and that no changes have occurred, which would
compromise the effectiveness of the system. A record of the monthly inspection is to be kept reflecting the
date inspected, initials of the person performing the inspection, and any corrections required. If any
discrepancies are noted while making this inspection, DO NOT CONTINUE OPERATING COOKING
APPLIANCES. Immediately contact an authorized distributor for service and/or repair.
The following procedure is to be performed by the Owner of the system on a monthly basis:
Table 22 - Owner’s Monthly Maintenance
Checkbox Procedure
Verify the extinguishing system is in its proper location
Inspect all system components, agent distribution pipe, and conduit runs for physical damage
and/or displacement.
Inspect all nozzles to verify foil seal caps are in place and intact. Check for possible
obstructions to the discharge of the wet chemical.
Inspect each Cylinder and Valve Assembly. The indicator on the pressure gauge should be in
the “green” range. The cylinder should not show evidence of corrosion or damage.
Verify that manual release stations are unobstructed and in clear view and are labeled for
intended use.
Verify all tamper seals are intact, and the system is in a ready condition.
Verify the inspection tag or certificate is in place and current.
Verify the hood, duct, and protected cooking appliances have not been replaced, modified, or
relocated.
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